Grandedenied this, saying she could "pull together a performance overnight", and instead said Ehrlich had "stifled" her creativity.

In her first post, the singer said: "I've kept my mouth shut but now you're lying about me. I can pull together a performance over night and you know that, Ken. It was when my creativity & self expression was stifled by you, that I decided not to attend. I hope the show is exactly what you want it to be and more."

i offered 3 different songs. it’s about collaboration. it’s about feeling supported. it’s about art and honesty. not politics. not doing favors or playing games. it’s just a game y’all.. and i’m sorry but that’s not what music is to me.

"I offered 3 different songs," she said. "It's about collaboration. It's about feeling supported. It's about art and honesty. Not politics. Not doing favors or playing games. It's just a game y'all. And i'm sorry but that's not what music is to me."

Image:Grande is up for two awards at the ceremony

She then joked that she had "passed a Grammy's bus with my face on it" as she was typing the tweets, before saying she was "still grateful for the acknowledgement this year".